<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
         div.outer{
            width: 1090px;
            height: 380px;
            margin: 0 auto;
           /* border: 1px solid red; */


        }
        div.outer div{
            float: left;
        }
        div.outer div.left{
            width: 690px;
            height: 380px;
            /* background-color: blue; */
             margin-right: 10px;
        }
        div.outer div.left>img{
            width: 100%;
            height: 100%;
        }
        div.outer div.right{
            width: 390px;
            height: 380px;
            /* background-color:orange; */
        }
        div.outer div.right>div{
            width: 390px;
            height: 185px;
            /* background-color: pink;
             */
        }
        div.outer div.right>div>img{
            width: 390px;
            height: 185px;

        }
        div.outer div.right>div.right_top{
            margin-bottom: 10px;
        }
        
    </style>
</head>
<body>
    <div class="outer">
        <div class="left">
            <img src="../d9-4css/day09/left.jpg" alt="">
        </div>
        <div class="right">
            <div class="right_top">
                <img src="../d9-4css/day09/right1.jpg" alt="">
            </div>
            <div class="right_bottom">
                <img src="../d9-4css/day09/right2.jpg" alt="">
            </div>
        </div>
    </div>
</body>
</html>